:root {
  --ink: #172027;
  --navy: #101c24;
  --navy-2: #162a35;
  --paper: #f3f0ea;
  --paper-2: #e7e2d9;
  --white: #fffdf8;
  --teal: #078b95;
  --teal-dark: #056772;
  --copper: #c76a2a;
  --gold: #db9b40;
  --line: rgba(23, 32, 39, .16);
  --shadow: 0 24px 60px rgba(9, 22, 30, .14);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.62;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 40px)); }

.transition-banner {
  padding: 10px 20px;
  background: var(--gold);
  color: #21170c;
  font-size: .9rem;
  text-align: center;
}
.site-header {
  min-height: 116px;
  padding: 10px max(20px, calc((100vw - 1160px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  background: var(--navy);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand {
  width: 340px;
  height: 94px;
  overflow: hidden;
  border-radius: 12px;
  flex: 0 0 auto;
  background: #efede9;
}
.brand img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
nav { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
nav a { padding: 10px 12px; border-radius: 999px; text-decoration: none; font-size: .92rem; }
nav a:hover, nav a[aria-current="page"] { background: rgba(255,255,255,.1); }
nav .nav-cta { background: var(--teal); color: #fff; }
nav .nav-cta:hover { background: #0aa1ac; }

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 60px;
  padding-block: 90px;
}
.hero h1, .page-hero h1 { margin: .08em 0 .35em; font-size: clamp(3rem, 7vw, 6.4rem); line-height: .96; letter-spacing: -.055em; }
.hero .lead, .page-hero .lead { max-width: 720px; font-size: clamp(1.15rem, 2vw, 1.42rem); color: #41515b; }
.hero-mark { border-radius: 32px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero-mark img { width: 100%; aspect-ratio: 1.78; object-fit: cover; object-position: center; }
.eyebrow { margin: 0 0 12px; color: var(--teal-dark); font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.made-in { margin-top: 24px; font-weight: 700; color: #53616a; }
.button-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 20px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.button.primary { background: var(--teal); color: #fff; box-shadow: 0 10px 26px rgba(7,139,149,.25); }
.button.primary:hover { background: var(--teal-dark); }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.text-link { font-weight: 800; color: var(--teal-dark); }

.principles, .benefits, .two-board, .product-list { padding-block: 90px; }
h2 { margin: .15em 0 .7em; max-width: 860px; font-size: clamp(2rem, 4vw, 3.8rem); line-height: 1.08; letter-spacing: -.035em; }
h3 { margin: .2em 0 .45em; font-size: 1.35rem; line-height: 1.2; }
.card-grid { display: grid; gap: 20px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card, .compat-card, .future-card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(9,22,30,.06);
}
.card p, .compat-card p, .future-card p { margin-bottom: 0; color: #52616a; }
.card-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 50%; background: rgba(7,139,149,.12); color: var(--teal-dark); font-weight: 900; }

.featured {
  margin-block: 40px 110px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 50px;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  border-radius: 30px;
}
.featured .eyebrow, .signup-section .eyebrow, .product-cta .eyebrow { color: #5ed1d6; }
.featured h2 { margin-bottom: 20px; }
.featured p { color: #bdc8ce; }
.feature-actions { display: flex; align-items: flex-start; flex-direction: column; gap: 20px; }
.feature-actions .text-link { color: #78dce0; }

.signup-section { padding-block: 90px; background: var(--navy-2); color: var(--white); }
.signup-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.signup-section p { color: #c1ccd1; }
.notice { padding: 18px 20px; border-left: 4px solid var(--gold); background: rgba(219,155,64,.12); border-radius: 0 12px 12px 0; }
.signup-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.signup-form label { display: grid; gap: 7px; font-size: .9rem; font-weight: 750; }
.signup-form label:nth-of-type(4), .signup-form label:nth-of-type(5), .signup-form .button { grid-column: 1 / -1; }
.signup-form label span { font-weight: 500; opacity: .7; }
.signup-form input, .signup-form select, .signup-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
.signup-form input:focus, .signup-form select:focus, .signup-form textarea:focus { outline: 3px solid rgba(94,209,214,.35); border-color: var(--teal); }
.standalone-form { padding-bottom: 90px; }
.standalone-form .signup-form { padding: 34px; border-radius: var(--radius); background: var(--navy-2); color: var(--white); box-shadow: var(--shadow); }

.page-hero { padding-block: 90px 70px; }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
.status-pill { display: inline-block; margin: 0 0 12px; padding: 5px 10px; border-radius: 999px; background: rgba(7,139,149,.12); color: var(--teal-dark) !important; font-size: .76rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.product-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 42px; background: var(--white); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); }
.check-list { padding-left: 1.2em; color: #43535d; }
.future-card { margin-top: 28px; border-style: dashed; box-shadow: none; }

.two-board .notice { margin-top: 24px; background: rgba(199,106,42,.1); }
.compatibility-section { padding-block: 90px; background: var(--paper-2); }
.compatibility-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compat-card dl { margin: 24px 0 0; }
.compat-card dl div { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 12px 0; border-top: 1px solid var(--line); }
.compat-card dt { font-weight: 900; color: var(--copper); }
.compat-card dd { margin: 0; font-weight: 750; }
.small-print { color: #66737a; font-size: .88rem; }
.product-cta { padding-block: 70px; background: var(--navy); color: var(--white); }
.product-cta .shell { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.product-cta h2 { margin-bottom: 12px; }
.product-cta p { color: #bdc8ce; }

.site-footer { padding-block: 52px 26px; background: #09141b; color: #c3cdd2; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; padding-bottom: 36px; }
.footer-grid strong { color: #fff; font-size: 1.2rem; }
.footer-grid div:last-child { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.legal { padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; color: #8fa0a9; }
.legal p { max-width: 1000px; }

@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .brand { width: 300px; height: 88px; }
  nav { justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-mark { max-width: 620px; }
  .card-grid.three { grid-template-columns: 1fr 1fr; }
  .featured, .signup-layout { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .shell, .narrow { width: min(100% - 26px, 1160px); }
  .transition-banner { text-align: left; }
  .site-header { padding: 12px 13px 18px; }
  .brand { width: 100%; max-width: 340px; }
  nav a { padding: 8px 10px; }
  .hero, .page-hero, .principles, .benefits, .two-board, .product-list { padding-block: 60px; }
  .hero { gap: 35px; }
  .card-grid.three, .card-grid.two, .compatibility-grid, .footer-grid { grid-template-columns: 1fr; }
  .featured { width: calc(100% - 26px); margin-bottom: 70px; padding: 30px 24px; }
  .signup-layout { gap: 32px; }
  .signup-form { grid-template-columns: 1fr; }
  .signup-form label, .signup-form label:nth-of-type(4), .signup-form label:nth-of-type(5), .signup-form .button { grid-column: 1; }
  .product-card { padding: 28px 22px; }
  .compat-card dl div { grid-template-columns: 90px 1fr; }
  .product-cta .shell { align-items: flex-start; flex-direction: column; }
  .footer-grid div:last-child { align-items: flex-start; }
}